Finding the Fourth Proportional to 152,367, 210,196.68 and 98,669.31

Step by Step Solution

1. Step 1: Write the proportion equation
   152,367 : 210,196.68 = 98,669.31 : x
2. Step 2: Convert to fraction form
   152,367/210,196.68 = 98,669.31/x
3. Step 3: Cross multiply
   152,367x = 210,196.68 × 98,669.31
4. Step 4: Simplify right side
   152,367x = 20,739,961,379.89
5. Step 5: Solve for x
   x = 20,739,961,379.89/152,367
6. Step 6: Final answer
   x = 136,118.46